<div class="sidebar-container">
    <ul class="sidebar-ul">
        <li class="sidebar-li">
            <i class="icon icon-keyboard"></i>
            <span class="icon-sidebar-title">按键</span>
        </li>
        <li class="sidebar-li">
            <i class="icon icon-screenshot"></i>
            <span class="icon-sidebar-title">截图</span>
        </li>
        <li class="sidebar-li" ng-click="showPanel('setting')">
            <i class="icon icon-setting"></i>
            <span class="icon-sidebar-title">设置</span>
        </li>
        <li class="sidebar-li">
            <i class="icon icon-more"></i>
            <span class="icon-sidebar-title">更多</span>
        </li>
    </ul>
</div>